Quote:
Originally Posted by ihiryu
Sorry all, been really busy. Went to the dyno and did a very quick tune on it, and was not happy with the results.
I'm making a smidge under 400 right now, and I am positive this is an issue with the stock exhaust. With that being said, I've ordered a cheapo ebay exhaust for testing. I plan to cut this exhaust up if it's too loud to ad resonators lol.
Also, this was only ignition timing and fuel done, I think if I spent more time with the VVEL and VTC, I'd definitely would pick up power. I did run after run with only breaks from flashing the maps on it lol.
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6 psi isn't enough to gain much power even after a tune. I had the same thing with my first Z until i put it at 9 psi but even then, 9 psi isn't THAT much in the grand scheme of things. As for the exhaust, your stock nismo exhaust is sitting relatively close to 2.5" so if you dont use the catalytic converters and put on some muffler deletes, i feel you would render about the same results as getting a full exhaust.
With that being said, i would recommend 3" of pleasure to your fun meter. You can hear the turbo's (especially on cold start), sounds better and you will gain a little more from it v.s. a 2.5" exhaust but do not expect anything drastic.